NEW YORK (TheStreet) -- Atlas Pipeline Partners (APL), Southwestern Energy (SWN) and Encana (ECA) were the top gainers, while YPF (YPF), Oasis Petroleum (OAS) and Oil States International (OIS) headed the losers' list last week.
Atlas Pipeline Partners (APL) and Southwestern Energy (SWN) grossed highest gains last week, growing 12.1% and 11.4%, respectively.
Encana rose 11.1%, after the company sought to buy a 30% stake in the Kitimat liquefied natural gas
terminal. The company has agreed to acquire a 30% interest in the planned Kitimat LNG export terminal -- located on the west coast of central British Columbia -- and the associated natural gas pipeline.
Other prominent winners were Comstock Resources (CRK), InterOil (IOC) and EV Energy Partner (EVEP), up 11.1%, 10.9% and 10.5%, respectively.
Cabot Oil & Gas (COG)
surged 10.1% after the company received an upgrade from a couple of leading brokerages. The BOFA Merrill Lynch revised the stock's investment rating to buy from neutral and increased the price target to $55. Besides, Goldman Sachs also upgraded the stock to buy from neutral, following Marcellus Shale growth, and revised its target price upwards to $60 from $52.
STR Holdings (STRI)
rose 10.1% last week after the company reported 2010 net income of $49.3 million, from $ 23 million in 2009, benefiting from robust sales of its solar products, particularly in Asia.
Solar Stocks Yingli Green Energy Holding (YGE)
and Trina Solar (TSL)
were up 9.8% and 9.6%, respectively.
Other winners Petrohawk Energy (HK)
and Teekay LNG Partners (TGP)
rose 9.2% and 9%, respectively.
Complete Production Services (CVX)
advanced 9% after SunTrust initiated a buy on the stock with a target price of $37.5.
Other solar stocks Rosetta Resources (ROSE)
, CARBO Ceramics (CRR)
, Ultra Petroleum (UPL)
, GT Solar International (SOLR)
and Range Resources (RRC)
advanced around 9%, 8.5%, 8.5%, 8.4% and 7.9%, respectively.
YPF was a major loser, erasing 9% value last week. Oil States International shed 5.2%. Oasis Petroleum lost 5.3% during the week, after brokerage firm Madison Williams downgraded the stock from accumulate to neutral, citing relative valuation.
Among other losers, Enbridge Energy Management (EEQ)
, Ecopetrol (EC)
, PetroChina (PTR)
, China Petroleum & Chemical (SNP)
and Tidewater (TDW)
dropped 4.4%, 4.3%, 4.1%, 4.1% and 3.7%, respectively.
Quicksilver Resources (KWK)
erased 3.5% last week. According to the Wall Street Journal
, Dardens, the founding family of Quicksilver Resources holding 26% equity share, abandoned the bid to take the company private. The Darden family and SPO Partners & Company -- QuickSilver's second-largest shareholder -- were given time until March 16 to arrange for the buyout. However, talks between SPO Partners and Dardens failed and the bid was subsequently dropped.